SB-100SX Bostitch Nailer - Overview

This head valve body regulates airflow within pneumatic nailers, helping generate the pressure needed to drive fasteners effectively. Built from durable materials, it supports consistent tool performance. Replacing a worn or faulty valve can resolve issues such as air leaks, reduced driving power, or failure to fire, restoring reliable operation.

This is an authentic Bostitch replacement part used on specific Nailers. This is a Rubber Ring and it is sold individually. O-rings are designed to withstand thousands of pounds of pressure by creating a seal between two or more parts.

This is an authentic OEM product which is designed for Bostitch, DeWALT and Porter Cable nailers and staplers. It provides a tight seal for the valve piston. Over time the material may wear down causing air leaks. To replace this flat washer you will need a screwdriver and pliers. This item is sold individually and is made of durable material. Check the diagrams of your model for the proper installation.

This part is an authentic replacement part used in various Bostitch and Porter Cable power tools. An o-ring is a gasket used to create a strong seal between solid pieces. It is a simple yet essential part of a tool. Please note that the proper size o-ring is necessary for proper sealing, and there are often more than one size used per tool. This piece is sold individually.

This is a Genuine Manufacturer Sourced replacement part designed for Nailers/Staplers. This O-Ring provides an Air-Tight Seal for the Valve Piston. Over time this O-Ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of Rubber and it is Sold Individually. Replacing this item you would need Hex Key/Allen Wrench and Pliers to replace this item.

This is an authentic replacement part manufactured for use with pneumatic fasteners. The hex socket head screw is commonly used to secure the main body or housing. This screw is available as an individual replacement part, please see model diagram for associative parts.

This item has been OEM sourced to ensure a high level of quality. The o-ring is intended to be used with pneumatic nailers from Bostitch, Porter Cable, and DeWalt. The o-ring is used to seal the connection between the nose and the bottom of the cylinder. This item is sold as an individual replacement part.

This is a genuine OEM sourced part that is intended to be used with pneumatic nailers and staplers from Bostitch, Porter Cable, and DeWalt. The metal spring is used to provide compression between the piston head valve and the end cap assembly. This item is sold as an individual replacement part.

This is a Genuine Manufacturer Sourced replacement part designed for Nailers/Staplers. This O-Ring provides an Air-Tight Seal for the Driver Unit. Over time this O-Ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of Rubber and it is Sold Individually. Replacing this item you would need Hex Key/Allen Wrench and Pliers to replace this item.